------------[ cut here ]------------
WARNING: CPU: 0 PID: 75 at kernel/kthread.c:83 to_kthread kernel/kthread.c:83 [inline]
WARNING: CPU: 0 PID: 75 at kernel/kthread.c:83 kthread_is_per_cpu+0xc4/0xf0 kernel/kthread.c:519
Modules linked in:
CPU: 0 PID: 75 Comm: jbd2/sda-8 Not tainted 5.10.52 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:to_kthread kernel/kthread.c:83 [inline]
RIP: 0010:kthread_is_per_cpu+0xc4/0xf0 kernel/kthread.c:519
Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 2e 4c 8b 23 41 83 e4 01 e8 c9 8d 23 00 44 89 e0 5b 5d 41 5c c3 e8 bc 8d 23 00 <0f> 0b eb 88 e8 33 c6 4e 00 e9 68 ff ff ff e8 39 c6 4e 00 eb 9a 48
RSP: 0018:ffff88806ce09c20 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff888046b48000 RCX: ffffffff811bf6fc
RDX: ffff888008e58000 RSI: ffffffff811bf774 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888046b48000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046b480a8
R13: ffff88806ce09da8 R14: ffff88806ce09da8 R15: ffff888046b48000
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c324000 CR3: 0000000045fb0000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 can_migrate_task+0x90/0xa00 kernel/sched/fair.c:7572
 detach_tasks kernel/sched/fair.c:7720 [inline]
 load_balance+0xa0e/0x2990 kernel/sched/fair.c:9644
 rebalance_domains+0x668/0xe20 kernel/sched/fair.c:10038
 __do_softirq+0x1b8/0x867 kernel/softirq.c:298
 asm_call_irq_on_stack+0x12/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191
Code: 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 2a c8 60 fd 48 89 ef e8 42 7e 61 fd f6 c7 02 75 0c 53 9d <65> ff 0d e4 1a 3c 7c 5b 5d c3 e8 1c ec 7f fd eb ed 66 2e 0f 1f 84
RSP: 0018:ffff88800e35f7a8 EFLAGS: 00000246
RAX: 0000000000101d4b RBX: 0000000000000246 RCX: 1ffffffff0a898c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83c5d424
RBP: ffffffff84ea35e0 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000408d40
R13: 0000000000000000 R14: 0000000000408d40 R15: ffff888048e9dcb0
 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
 slab_post_alloc_hook mm/slab.h:534 [inline]
 slab_alloc_node mm/slub.c:2889 [inline]
 slab_alloc mm/slub.c:2897 [inline]
 kmem_cache_alloc+0x159/0x350 mm/slub.c:2902
 kmem_cache_zalloc include/linux/slab.h:654 [inline]
 alloc_buffer_head+0x20/0x100 fs/buffer.c:3336
 alloc_page_buffers+0x14d/0x6c0 fs/buffer.c:856
 grow_dev_page fs/buffer.c:993 [inline]
 grow_buffers fs/buffer.c:1043 [inline]
 __getblk_slow+0x2e5/0x7e0 fs/buffer.c:1070
 __getblk_gfp+0x70/0x80 fs/buffer.c:1354
 __getblk include/linux/buffer_head.h:380 [inline]
 jbd2_journal_get_descriptor_buffer+0x10a/0x410 fs/jbd2/journal.c:1022
 journal_submit_commit_record.part.0+0x8a/0x9f0 fs/jbd2/commit.c:131
 journal_submit_commit_record fs/jbd2/commit.c:128 [inline]
 jbd2_journal_commit_transaction+0x3b95/0x6610 fs/jbd2/commit.c:925
 kjournald2+0x1d1/0x930 fs/jbd2/journal.c:213
 kthread+0x38f/0x470 kernel/kthread.c:292
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296
irq event stamp: 1056081
hardirqs last  enabled at (1056080): [<ffffffff83c5d424>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (1056080): [<ffffffff83c5d424>] _raw_spin_unlock_irqrestore+0x34/0x40 kernel/locking/spinlock.c:191
hardirqs last disabled at (1056081): [<ffffffff83c5d23b>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1056081): [<ffffffff83c5d23b>] _raw_spin_lock_irqsave+0x4b/0x50 kernel/locking/spinlock.c:159
softirqs last  enabled at (1055886): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (1056077): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
---[ end trace 8e5cf7515fee8d2a ]---

======================================================